city, metropolis, urban center - a large and densely populated urban area; may include several independent administrative districts; "Ancient Troy was a great city"

port - a place (seaport or airport) where people and merchandise can enter or leave a country

China, Communist China, mainland China, People's Republic of China, PRC, Red China - a communist nation that covers a vast territory in eastern Asia; the most populous country in the world

Swiss canton - one of the cantons of Switzerland